Home / 7,474.86-10,312.83-4,824.03

Finding the Fourth Proportional to 7,474.86, 10,312.83 and 4,824.03

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Solution

The fourth proportional to 7,474.86, 10,312.83 and 4,824.03 is: 6,655.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.86 : 10,312.83 = 4,824.03 : x
  2. Step 2: Convert to fraction form
    7,474.86/10,312.83 = 4,824.03/x
  3. Step 3: Cross multiply
    7,474.86x = 10,312.83 × 4,824.03
  4. Step 4: Simplify right side
    7,474.86x = 49,749,401.30
  5. Step 5: Solve for x
    x = 49,749,401.30/7,474.86
  6. Step 6: Final answer
    x = 6,655.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.